This commit changes the behaviour of UUID generation. Instead of using
the rand module of perl, generating a random UUID per compile, it now
hashes the SOURCE_DATE_EPOCH, resulting in a reproducible UUID.
Signed-off-by: Paul Spooren <m...@aparcar.org>
---
target/linux/x86/image/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index ac70e771c8..68c2bee9d4 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -40,7 +40,7 @@ ifneq ($(GRUB_TERMINALS),)
GRUB_TERMINAL_CONFIG := terminal_input $(GRUB_TERMINALS); terminal_output
$(GRUB_TERMINALS)
endif
-SIGNATURE:=$(shell perl -e 'printf("%08x", rand(0xFFFFFFFF))')
+SIGNATURE:=$(shell echo "$(SOURCE_DATE_EPOCH)" | sha256sum | cut -c 1-8 -z)
ROOTPART:=$(call qstrip,$(CONFIG_TARGET_ROOTFS_PARTNAME))
ROOTPART:=$(if $(ROOTPART),$(ROOTPART),PARTUUID=$(SIGNATURE)-02)
--
2.24.0.rc1
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